An analogous initial geometry effect of nuclei is also found to be present in the intermediate energy heavy-ion collisions however at a cluster level [1]}, [2]}. A few recent articles have argued that the geometric \(\alpha \) -clustering structure of light nuclei can be realized in the realm of relativistic collisions [3]}, [4]}, [5]}. Gamow first proposed the possibility of clustered states in light nuclei [6]}. The identification of the fusion reaction mechanism for carbon production has led to the discovery of the clustered states [7]}, [8]}. However, many theoretical models such as no-core shell model [9]}, fermionic molecular dynamics [10]}, the variational Green’s function [11]}, Bose-Einstein Condensate (BEC) [12]}, [13]}, [14]}, etc. have not been successful in explaining such clustered structures of nuclei. The \(\alpha \) -clustering inside a light nucleus produces nuclear deformity and spatial correlations between clusters. It has been suggested that \(\alpha \) -clustering configurations can be identified by giant dipole resonance [15]}, [16]} or photonuclear reactions [17]}, [18]}, [19]}. The strategy of investigating initial nucleon-level geometry via measuring flow in a relativistic heavy-ion collision has a great potential to identify the geometric structures of clustered nuclei  [3]}, [5]}, [22]}, [23]}.
